CN114184157A - Hole-making perpendicularity detection device and use method - Google Patents
Hole-making perpendicularity detection device and use method Download PDFInfo
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- CN114184157A CN114184157A CN202111412129.XA CN202111412129A CN114184157A CN 114184157 A CN114184157 A CN 114184157A CN 202111412129 A CN202111412129 A CN 202111412129A CN 114184157 A CN114184157 A CN 114184157A
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- operating handle
- measuring
- hole
- displacement
- laser projection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention discloses a hole-making verticality detection device, which comprises: an operating handle; the measuring component comprises a measuring end and a displacement collector, the measuring component is connected to the operating handle and extends into the operating handle, and the measuring end generates displacement according to the change of verticality when inserted into the measured hole; generating displacement data; the annular support is coaxial with the measuring component. According to the invention, through the combination of the measuring component, the annular support and the laser projection group, displacement data and interval data information are simultaneously acquired, the displacement data and the interval data information are processed by the processing module to obtain information of a plane normal vector and a normal vector direction, and the information of the plane normal vector and the normal vector direction is processed to obtain a range result of perpendicularity. Through the analysis and processing of datamation, the degree of accuracy is higher, has solved among the prior art and can't guarantee to the degree of accuracy that the straightness detected that hangs down of making the hole, has guaranteed detection accuracy, the integrality of straightness that hangs down.
Description
Technical Field
The invention relates to the technical field of airplane machining, in particular to a hole-making verticality detection device and a use method thereof.
Background
Mechanical connection is the main mode of structural connection of an aircraft, and the connection strength of the mechanical connection is an important factor influencing the fatigue of the aircraft. In the process of aircraft assembly, a large number of connections are connected through rivets and screws, hole-making verticality (an included angle between an axial lead of a hole and a structural surface normal vector) is used as an important index for connection quality evaluation, and the strength of a connecting piece is reduced due to the fact that the verticality exceeds the design requirement, so that quality accidents are caused.
Most of the existing airplane assembly connecting holes are made by manual operation. During manual hole making, hole making verticality is mainly guaranteed by the operation skill of workers, but a high-efficiency and accurate hole verticality detection means is lacked for a long time, the verticality of the manual hole making is difficult to evaluate, and certain quality hidden dangers are brought.
Disclosure of Invention
The invention aims to solve the technical problem that the detection precision of the hole-making perpendicularity cannot be guaranteed in the prior art, and provides a hole-making perpendicularity detection device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a perpendicularity detection device for hole making comprises: an operating handle; the measuring assembly comprises a measuring end and a displacement collector, the measuring assembly is connected to the operating handle and extends into the operating handle, and the measuring end generates displacement along with the change of hole verticality when inserted into a hole to be measured; the displacement collector is positioned in the operating handle and used for sensing the displacement of the measuring end so as to generate displacement data; the annular support is arranged on the operating handle and is coaxial with the measuring assembly; the laser projection assemblies are arranged on the annular support, the laser projection assemblies are distributed around the annular support in an annular array mode, and the laser projection assemblies are used for generating spacing data of hole making; the processing module is electrically connected with the laser projection assembly and the displacement collector of the measuring assembly respectively, and is used for receiving the displacement data and the distance data and obtaining the verticality data of the measured hole according to the displacement data and the distance data.
Optionally, the displacement collector is a displacement sensor; the measuring end includes: the measuring rod is connected to the operating handle, a movable cavity is arranged inside the measuring rod, a plurality of groups of first connecting holes are formed in the outer wall of one end, away from the operating handle, of the measuring rod, and the first connecting holes are communicated with the movable cavity; the thrust pin is movably arranged in the movable cavity, so that the thrust pin moves along the axial direction of the measuring rod; the thrust pin is abutted in the movable cavity in the direction parallel to the axial direction of the measuring rod; the connecting rod is positioned in the movable cavity and connected with the thrust pin, the connecting rod extends into the operating handle, and the displacement sensor is used for sensing the displacement of the connecting rod so as to generate displacement data; the movable contact is movably connected into the first connecting hole in the radial direction of the measuring rod and is in contact with the thrust pin; the movable contact is provided with a first inclined surface at one side contacting with the thrust pin, and the thrust pin is provided with a second inclined surface matched with the first inclined surface at one side contacting with the movable contact, so that the movable contact pushes the thrust pin to move along the axial direction of the measuring rod when moving along the radial direction of the measuring rod.
Optionally, a propelling cavity is further arranged in the operating handle, and the connecting rod extends to the inside of the propelling cavity; the operating handle includes: the trigger extends to the inside of the propelling cavity from the outside of the operating handle and is connected with one end, far away from the thrust pin, of the connecting rod.
Optionally, an edge of one end of the movable contact, which extends away from the first inclined surface, is rounded.
Optionally, the measuring rod is detachably connected with the operating handle.
Optionally, the measuring rod is detachably connected with the operating handle through a locking member.
Optionally, an absolute value of a difference between the outer diameter of the measuring rod and the inner diameter of the measured hole is less than 2 mm.
Optionally, the ring support includes: the middle bracket is connected with the operating handle and is coaxial with the measuring assembly; the laser projection device comprises a plurality of groups of laser projection supports, wherein the plurality of groups of laser projection supports are connected to the middle support in an annular array mode, and each laser projection assembly is connected to the laser projection support.
Optionally, the multiple groups of laser projection supports include four groups of laser projection supports, and an included angle between each group of laser projection supports is 90 degrees.
Optionally, the middle support and the laser projection support are made of a light alloy material or a carbon fiber material, and the middle support and the laser projection support are of an integrated molding structure.
The invention has the beneficial effects that:
according to the hole-making perpendicularity detection device provided by the embodiment of the invention, due to the combination of the measurement assembly, the annular support and the laser projection group, displacement data and spacing data information can be acquired simultaneously during measurement, so that the displacement data and the spacing data information are processed by the processing module to obtain information of a plane normal vector and a normal vector direction, and the information of the plane normal vector and the normal vector direction is processed to obtain a range result of perpendicularity. For current through manual observation to carry out the straightness that hangs down and judge, this application is through the analysis and the processing of datamation, and its measuring result is more reliable, and the degree of accuracy is higher, has solved the technical problem that can't guarantee among the prior art to the degree of accuracy that the straightness detected that hangs down of system hole, has guaranteed the detection accuracy, the integrality of the straightness that hangs down, has still improved detection efficiency.
Drawings
Fig. 1 is a schematic overall structure diagram of a hole-making verticality detection device provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an annular support of the device for detecting perpendicularity of hole making provided in the embodiment of the invention;
FIG. 3 is a schematic plan view of an operating handle assembly of a device for detecting perpendicularity of hole making provided in an embodiment of the present invention;
FIG. 4 is a structural cross-sectional view of an operating handle in the device for detecting perpendicularity in hole making provided in the embodiment of the invention;
fig. 5 is a plan sectional view of a measuring rod structure in the device for detecting perpendicularity in hole making provided in the embodiment of the present invention.
The symbols in the figures are as follows:
1. a measurement assembly;
11. a movable contact; 12. a measuring rod; 121. a movable cavity; 13. a connecting rod; 14. a spring; 15. a thrust pin;
2. an annular support;
21. a middle support; 22. connecting holes; 23. a laser projection support;
3. a laser projection assembly;
31. a signal transmitter; 32. a laser projection lens; 33. a housing;
4. an operating handle;
41. a locking member; 42. a propulsion chamber; 43. a processing module; 44. a trigger.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Examples
Referring to fig. 1-5, a hole-making verticality detection device comprises an operating handle 4, a measuring assembly 1, a ring-shaped support 2 and a processing module 43. The operating handle 4 is in a grip shape so as to be convenient for an operator to operate. The measuring assembly 1 is arranged on one side of the operating handle 4, the measuring assembly 1 comprises a measuring end and a displacement collector, the displacement collector is connected to the operating handle 4, and the displacement collector extends into the operating handle 4; the measuring end and the displacement collector are coaxially arranged, the measuring end extends into a measured hole, and then the displacement collector can sense the displacement of the measuring end to generate displacement data. The annular support 2 is arranged on the operating handle 4, and the annular support 2 is coaxial with the measuring assembly 1; the laser projection assemblies 3 are arranged on the annular support 2, the laser projection assemblies 3 can be arranged into four groups, the four groups of laser projection assemblies 3 are distributed on the annular support 2 in an annular array, and the laser projection assemblies 3 are used for generating spacing data of holes to be measured; the operating handle 4 is further provided with a processing module 43, the processing module 43 is electrically connected with the laser projection assembly 3 and the displacement collector of the measuring assembly 1 respectively, and the processing module 43 is used for receiving the displacement data and the distance data and obtaining the perpendicularity data of the measured hole according to the displacement data and the distance data. In this embodiment, the laser projection assemblies 3 may be arranged in one or more groups (including four groups), and the number may be set according to the detection requirement of the detected holes, which is not described in detail herein. The measuring end of the measuring component 1 extends into the measured hole, so that the displacement collector collects displacement data and feeds back the displacement data; the laser projection component 3 projects the measured holes to generate the spacing data of the measured holes, and feeds back the obtained spacing data; the processing module 43 receives the displacement data and the spacing data, and the processing module 43 processes the received displacement data and spacing data information of the measured hole to obtain information of a plane normal vector and a normal vector direction. And processing the information according to the obtained plane normal vector and the normal vector direction to obtain a range result of the verticality. Through the analysis and the processing of datamation, the problem that the accuracy of the hole-making verticality detection cannot be ensured in the prior art is solved. The detection accuracy and integrity of the perpendicularity are guaranteed.
The inside of operating handle 4 is provided with impelling chamber 42, the inside of impelling chamber 42 is provided with trigger 44, trigger 44 extends to the inside of impelling chamber 42 from operating handle 4 outward, and with measurement subassembly 1 links to each other. That is, the trigger 44 extends outwards from the pushing cavity 42 inside the operating handle 4 to the outside of the operating handle 4, so that the operator can move the displacement collector by moving the trigger 44, and the displacement collector and the measuring end are arranged in a radial direction, that is, the operator can control the measuring end to adjust through the displacement collector. In this embodiment, the trigger 44 is hinged in the propelling cavity 42, and the setting position of the trigger 44 is set with the moving direction of the measuring end and the displacement collector, so that the detecting position of the measuring end can be indirectly controlled by the trigger 44 through the displacement collector.
The measuring end includes: measuring rod 12, thrust pin 15, connecting rod 13 and movable contact 11. The measuring rod 12 is arranged on the operating handle 4, a movable cavity 121 is arranged inside the measuring rod 12, a plurality of groups of first connecting holes are arranged on the outer wall of one end, far away from the operating handle 4, of the measuring rod 12, the first connecting holes are distributed on the outer wall of the measuring rod 12 in an annular array mode, and the first connecting holes and the movable cavity 121 penetrate through and are communicated; the thrust pin 15 is arranged in the movable cavity 121, and the thrust pin 15 is connected with the inner wall of the movable cavity 121 through a spring 14; the connecting rod 13 is arranged inside the movable cavity 121, the connecting rod 13 is arranged along the radial direction of the measuring rod 12, the connecting rod 13 is connected with the movable cavity 121 in a sliding manner, one end of the connecting rod 13 is connected with the thrust pin 15, the connecting rod 13 extends into the thrust cavity 42, the other end of the connecting rod 13 is connected with the trigger 44, and the connecting rod 13 and the displacement sensor are in the same straight line, so that the displacement sensor can detect displacement information of the connecting rod 13; the movable contact 11 is arranged at the first connecting hole, the movable contact 11 extends into the movable cavity 121, the movable contact 11 is in contact with the thrust pin 15, and the movable contact 11 moves along the oblique edge of the thrust pin 15 so as to push the thrust pin 15 to move along the radial direction of the connecting rod 13, that is, the measuring end is convenient to detect the displacement position of the connecting rod 13. In this embodiment, the displacement collector is a displacement sensor. The displacement collector and the connecting rod 13 are coaxially arranged, and the displacement collector detects displacement information of the connecting rod 13. It should be noted that the measuring end can also be a photometric sensor or can detect the movement information of the connecting rod 13. When the measuring end is a luminosity sensor, the measuring end is arranged on one side of the connecting rod 13 and is positioned in the propelling cavity 42, and when the connecting rod 13 on the measuring end moves towards one side of the propelling cavity 42 and the luminosity sensor senses that the connecting rod 13 passes through one side of the propelling cavity, the shadow distance of the luminosity sensor influenced by the connecting rod 13 is judged, namely the movement information of the connecting rod 13 can be generated. Thrust round pin 15's cross section personally submits the terrace with edge form, thrust round pin 15's hypotenuse high-end is close to connecting rod 13, movable contact's bottom surface is the scarf, the scarf with thrust round pin 15's hypotenuse contacts. In addition, the quantity of movable contact 11 can set up to two sets or more than two sets, and the multiunit movable contact 11 is followed the radial annular array of connecting rod 13 distributes to accessible movable contact 11 promotes thrust pin 15 along the radial movement of connecting rod 13, also indirectly drives connecting rod 13 along the radial movement of connecting the chamber, generates the measured hole displacement data through the displacement collection ware.
In this embodiment, by utilizing the mutual linkage structure between the plurality of sets of movable contacts 11 and the thrust pin 15, the inner wall of the hole to be measured is contacted by the movable contacts 11, the inner wall of the hole to be measured is utilized to push the movable contacts 11 to move, the inner diameter verticality change of the vertical hole is ingeniously converted into the radial motion of the movable contacts 11, and the radial motion of the movable contacts 11 is converted into the axial motion of the connecting rod 13, so that the change data of the verticality can be indirectly acquired through the displacement sensor conveniently and accurately.
In addition, utilize trigger 4 to connect connecting rod 13, let trigger 4 drive connecting rod 13 and link for can control the removal of movable contact 11 through the operation to trigger 4, thereby be convenient for the operation insert with take out by survey system hole in-process, control movable contact 11's removal shrink through control trigger 4, make insert with take out the process more smoothly swiftly, and prevent to hang the inner wall by side system hole.
The toroidal support 2 comprises: a middle support 21 and a plurality of sets of laser projection supports 23. The middle bracket 21 is sleeved on the measuring component 1, the middle bracket 21 is connected with the operating handle 4, and the middle bracket 21 and the measuring rod 12 are coaxially arranged; the multiple groups of laser projection supports 23 are arranged on the middle assembly, the multiple groups of laser projection supports 23 are distributed on the middle assembly 21 in an annular array mode, and the laser projection supports 23 are connected with the laser projection assemblies 3 through bolts. In this embodiment, the number of the laser projection brackets 23 may be two or more (including four), and the laser projection assemblies 3 may be arranged according to the number of the laser projection brackets 23. The center of the middle bracket 21 is provided with a connecting hole 22, so that the connection between the measuring rod 12 and the operating handle 4 is realized. In a possible embodiment, the four projection mounting brackets are angled at 90 ° to each other and 135 ° to the outer plane of the middle bracket 21. In addition, the material of ring carrier 2 is light material, reduces the whole weight of device to operating personnel carries out manual operation. The annular support 2 is of an integrally formed structure, so that the overall strength of the annular support 2 is enhanced conveniently. Two connecting holes 22 are formed in the laser projection support 23, and the two connecting holes 22 are arranged along the diagonal direction of the plane. In this embodiment, the weight balance of the laser projection assembly 3 on the laser projection bracket 23 is realized by the two connecting holes 22 along the diagonal direction of the plane.
The number of the laser projection assemblies 3 can be set according to the laser projection bracket 23. The laser projection assembly 3 includes: the laser projection module comprises a shell 33, a laser projection assembly 3 and a signal transmitter 31, wherein the shell 33 is arranged on a laser projection bracket 23, the shell 33 is connected with the laser projection bracket 23 through bolts, and a laser generator is arranged inside the shell 33; the laser projection lens 32 is arranged on one surface of the shell 33, and the laser projection lens 32 is far away from one surface of the operating handle 4; a signal emitter 31, wherein the signal emitter 31 is disposed on the housing 33, and the signal generator is electrically connected to the processing module 43. In this embodiment, the laser projection assemblies 3 are arranged in four groups, and four laser generators emit one laser beam spot through the laser projection lens 32, and four laser beam spots are projected on the hole plane to generate the measured hole pitch data information. The pitch data information of the measured holes is sent to the processing module 43 through the signal transmitter 31. In the embodiment, a plurality of groups of lasers are projected on the hole plane, the lasers are used for collecting the plane information of the measured hole, the plane information is collected and fed back to the processing module, and therefore plane normal vector data in the verticality can be acquired indirectly through the processing module conveniently and accurately. And meanwhile, the processing module processes the displacement data information to obtain information in the normal vector direction, and processes the information according to the obtained plane normal vector and the information in the normal vector direction to obtain a range result of the verticality.
In a possible embodiment, the processing module 43 is a data processing and displaying module, and the processing module 43 receives the displacement data and the distance data transmitted from the measuring assembly 1 and the laser projection assembly 3, and the processing module 43 processes the received displacement data and distance data information of the measured hole to obtain information of a plane normal vector and a normal vector direction. And processing the information according to the obtained plane normal vector and the normal vector direction to obtain a range result of the verticality.
In a possible embodiment, the measuring assembly 1 is detachably connected to the operating handle 4. Specifically, the operating handle 4 and the end that the measuring stick 12 links to each other are provided with retaining member 41, the measuring stick 12 pass through retaining member 41 with operating handle 4 links to each other, the one end of connecting rod 13 extends to in advancing the chamber 42, just connecting rod 13 with trigger 44 supports, lets trigger 44 accessible promote movable contact 11 and resets and push out the survey hole. In this embodiment, the locking member 41 is a locking sleeve, and the periphery of the locking sleeve is in transition fit with the aperture of the connecting hole 22 of the middle bracket 21, so as to connect the laser projection assembly 3 to the operating handle 4. The aperture of the locking sleeve is in clearance fit with the aperture of the measuring rod 12 so as to facilitate the replacement of the measuring component 1 and the operating handle 4, thus different measuring components 1 can be selected for measuring different holes to be measured,
in a possible embodiment, the diameter D1 of the measuring rod 12 and the diameter D2 of the hole to be measured satisfy the following requirements: sigma is D2-D1, and sigma is less than or equal to 2 mm. The diameter specification of the measuring rod 12 is set with various different diameters according to the diameter of the measured hole, and different measuring assemblies 1 can be adopted aiming at different measured holes.
In a possible implementation, the movable contact 11 is of a cylindrical structure, and an edge of the movable contact 11 extending out of the first connecting hole is rounded, that is, an edge of an end of the movable contact 11 extending away from the first inclined surface is rounded.
The use method of the hole-making verticality detection device comprises the following steps:
selecting the measuring component 1 according to the aperture size of the measured hole;
assembling the selected measuring assembly 1 with the annular support 2 and the operating handle 4;
calibrating the assembled device;
holding the operating handle 4, and generating displacement along with the change of the hole verticality when the measuring end is inserted into the measured hole; the displacement collector is used for sensing the displacement generated by the measuring end to generate displacement data and feeding back the obtained displacement data;
the laser projection component 3 projects the measured holes to generate the spacing data of the measured holes, and feeds back the obtained spacing data;
the processing module 43 receives the displacement data and the pitch data;
the processing module 43 processes the received displacement data and the distance data of the measured hole to obtain information of a plane normal vector and a normal vector direction, and processes the information of the plane normal vector and the normal vector direction to obtain a range result of perpendicularity.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A perpendicularity detection device for hole making is characterized by comprising:
an operating handle;
the measuring assembly comprises a measuring end and a displacement collector, the measuring assembly is connected to the operating handle and extends into the operating handle, and the measuring end generates displacement along with the change of hole verticality when inserted into a hole to be measured; the displacement collector is positioned in the operating handle and used for sensing the displacement of the measuring end so as to generate displacement data;
the annular support is arranged on the operating handle and is coaxial with the measuring assembly;
the laser projection assemblies are arranged on the annular support, the laser projection assemblies are distributed around the annular support in an annular array mode, and the laser projection assemblies are used for generating spacing data of hole making;
the processing module is electrically connected with the laser projection assembly and the displacement collector of the measuring assembly respectively, and is used for receiving the displacement data and the distance data and obtaining the verticality data of the measured hole according to the displacement data and the distance data.
2. A hole making verticality detection apparatus according to claim 1, wherein the displacement collector is a displacement sensor; the measuring end includes:
the measuring rod is connected to the operating handle, a movable cavity is arranged inside the measuring rod, a plurality of groups of first connecting holes are formed in the outer wall of one end, away from the operating handle, of the measuring rod, and the first connecting holes are communicated with the movable cavity;
the thrust pin is movably arranged in the movable cavity, so that the thrust pin moves along the axial direction of the measuring rod; the thrust pin is abutted in the movable cavity in the direction parallel to the axial direction of the measuring rod;
the connecting rod is positioned in the movable cavity and connected with the thrust pin, the connecting rod extends into the operating handle, and the displacement sensor is used for sensing the displacement of the connecting rod so as to generate displacement data;
the movable contact is movably connected into the first connecting hole in the radial direction of the measuring rod and is in contact with the thrust pin; the movable contact is provided with a first inclined surface at one side contacting with the thrust pin, and the thrust pin is provided with a second inclined surface matched with the first inclined surface at one side contacting with the movable contact, so that the movable contact pushes the thrust pin to move along the axial direction of the measuring rod when moving along the radial direction of the measuring rod.
3. A hole-making verticality detecting device according to claim 2, wherein a propelling cavity is further arranged in the operating handle, and the connecting rod extends to the inside of the propelling cavity; the operating handle includes:
the trigger extends to the inside of the propelling cavity from the outside of the operating handle and is connected with one end, far away from the thrust pin, of the connecting rod.
4. A hole-making verticality detection apparatus according to claim 2, wherein an end edge of the movable contact extending away from the first inclined surface is rounded.
5. The device for detecting the perpendicularity of hole making as claimed in claim 2, wherein the measuring rod is detachably connected with the operating handle.
6. The device for detecting the perpendicularity of hole making as claimed in claim 5, wherein the measuring rod is detachably connected with the operating handle through a locking member.
7. A perpendicularity detecting device for hole making as claimed in claim 5, wherein an absolute value of a difference between an outer diameter of the measuring rod and an inner diameter of the hole to be measured is less than 2 mm.
8. A hole making verticality detection apparatus according to any one of claims 1-7, wherein said annular support comprises:
the middle bracket is connected with the operating handle and is coaxial with the measuring assembly;
the laser projection device comprises a plurality of groups of laser projection supports, wherein the plurality of groups of laser projection supports are connected to the middle support in an annular array mode, and each laser projection assembly is connected to the laser projection support.
9. The device for detecting the perpendicularity of hole making as claimed in claim 8, wherein the plurality of groups of laser projection brackets comprise four groups of laser projection brackets, and an included angle between each group of laser projection brackets is 90 degrees.
10. The device for detecting the perpendicularity of hole making according to claim 8, wherein the middle support and the laser projection support are made of light alloy materials or carbon fiber materials, and are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412129.XA CN114184157B (en) | 2021-11-25 | 2021-11-25 | Hole making verticality detection device and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412129.XA CN114184157B (en) | 2021-11-25 | 2021-11-25 | Hole making verticality detection device and use method |
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| CN114184157A true CN114184157A (en) | 2022-03-15 |
| CN114184157B CN114184157B (en) | 2023-05-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5307368A (en) * | 1992-09-08 | 1994-04-26 | Hamar M R | Laser apparatus for simultaneously generating mutually perpendicular planes |
| CN203605920U (en) * | 2013-12-04 | 2014-05-21 | 中广核核电运营有限公司 | Device for measuring perpendicularity of telescopic sleeve of nuclear power station refueling machine |
| CN206772275U (en) * | 2017-06-06 | 2017-12-19 | 黄河勘测规划设计有限公司 | Foundation pile hole quality detecting system |
| CN111121656A (en) * | 2019-12-22 | 2020-05-08 | 同济大学 | Detection equipment and method for detecting distance between prefabricated parts |
| CN111220089A (en) * | 2019-11-25 | 2020-06-02 | 张卫锋 | Pile foundation pore-forming shape and perpendicularity detection device and detection method thereof |
-
2021
- 2021-11-25 CN CN202111412129.XA patent/CN114184157B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5307368A (en) * | 1992-09-08 | 1994-04-26 | Hamar M R | Laser apparatus for simultaneously generating mutually perpendicular planes |
| CN203605920U (en) * | 2013-12-04 | 2014-05-21 | 中广核核电运营有限公司 | Device for measuring perpendicularity of telescopic sleeve of nuclear power station refueling machine |
| CN206772275U (en) * | 2017-06-06 | 2017-12-19 | 黄河勘测规划设计有限公司 | Foundation pile hole quality detecting system |
| CN111220089A (en) * | 2019-11-25 | 2020-06-02 | 张卫锋 | Pile foundation pore-forming shape and perpendicularity detection device and detection method thereof |
| CN111121656A (en) * | 2019-12-22 | 2020-05-08 | 同济大学 | Detection equipment and method for detecting distance between prefabricated parts |
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| CN114184157B (en) | 2023-05-05 |
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